Abstract
In this paper we report design of one virtual instrument for the measurement of resistance as a function of temperature. The program has been developed using the National Instruments’ graphical programming language ‘LabVIEW’ and has been run for the measurement of magnetoresistance of some colossal magnetoresistive (CMR) compounds, .
Highlights
LabVIEW [1] is graphical programming software developed by National Instruments
In this paper we report the magneto-transport behaviours of some colossal magnetoresistive (CMR) compound [3,4] using the above-said instruments coupled by virtual instrument (VI) designed using LabVIEW program
With the application of 1 Tesla magnetic field, resistivity of both the samples decreases whereas M-I transition temperature increases towards higher values 280.5 K and 203.2 K respectively, as reported by many other researchers [9,10,11,12]
Summary
Using LabVIEW, readymade virtual instrument (VI) can be developed for various applications It is a graphical programming language and all programming is made with blocks representing functions, icons representing variables and lines representing path of the variables [2]. The LabVIEW graphical development environment creates flexible and scalable design, control, and test applications. In this paper we report the magneto-transport behaviours of some colossal magnetoresistive (CMR) compound [3,4] using the above-said instruments coupled by VI designed using LabVIEW program. These materials have been widely studied because of their potential applications [3,4] and interesting properties like metal-insulator (M-I) transition, paramagnetic-ferromagnetic La0.67Sr/Ca0.33MnO3 (LSMO/LCMO) have been synthesized and characterized for structural and magnetoresistive behaviors
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